NiamhName meaning and origin

Niamh is a girl’s name of Irish origin. Its traditional meaning is “bright, radiant”.

Niamh at a glance

Meaning
bright, radiant
Origin
Irish
Gender
Girl
Letters
5
First letter
N
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How popular is Niamh in Australia?

Niamh has not appeared in the published NSW top 100 girls lists from 1952 to 2025, so it is a less common choice in NSW.

Source: NSW Registry of Births, Deaths and Marriages, Popular Baby Names 1952 to 2025 (Data.NSW, data as at 26 March 2026). The list covers the top 100 names for each sex per year in NSW only. See popular baby names for the full 2025 top 20.

Names similar to Niamh

Other Irish names for girls (including unisex names):

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About our name meanings: meanings and origins shown on Littlenamer are the traditional, commonly cited etymologies. Sources vary, many names have more than one possible origin, and the same name can carry different meanings in different languages. Japanese name meanings depend on the characters (kanji) chosen. Please treat them as a friendly starting point rather than a definitive record. If you are drawn to a name from a culture other than your own, it is worth learning a little about its background and significance.